1 WSOC table

1.1 soils

Treatment CPCRW DWP SR
Drought 0.85 ± 0.2 a 0.72 ± 0.37 a 0.6 ± 0.04 a
Field Moist 0.69 ± 0.07 a 0.35 ± 0.05 a 0.61 ± 0.05 a
Saturated 0.59 ± 0.05 a 0.39 ± 0.06 a 0.55 ± 0.06 a
Time Zero 0.78 ± 0.1 a 0.51 ± 0.08 a 0.43 ± 0.04 a

1.2 pores

Treatment 1.5 kPa CPCRW 1.5 kPa DWP 1.5 kPa SR 50 kPa CPCRW 50 kPa DWP 50 kPa SR
Drought 111.82 ± 41.45 a 69.02 ± 13 a 13.9 ± 2.43 ab 186.86 ± 62.65 a 69.97 ± 13.39 a 19.3 ± 8.32 ab
Field Moist 21.22 ± 3.73 b 46.33 ± 11.94 a 18.68 ± 2.36 a 41.17 ± 12.67 ab 52.43 ± 14.74 a 19.82 ± 2.93 ab
Saturated 52.82 ± 13.98 ab 42.08 ± 7.34 a 23.16 ± 3.29 a 63.4 ± 20.84 ab 82.7 ± 16.52 a 24.07 ± 2.43 a
Time Zero 26.3 ± 2.78 ab 76.68 ± 21.76 a 6.03 ± 0.57 b 29.14 ± 4.41 b 92.33 ± 22.22 a 7.28 ± 0.34 b

1.3 soils, pores combined

2 FTICR Pores – figures

2.1 aromatic peaks

aromatic peaks

Figure 2.1: aromatic peaks

2.2 native SOM

Van Krevelen plot for TZSat pores

(#fig:vk_baseline)Van Krevelen plot for TZSat pores

2.3 treatment effect

Van Krevelen plot for treatments

(#fig:vk_treatments)Van Krevelen plot for treatments

2.4 treatment effect – unique molecules

Van Krevelen plot for uniqiue peaks

(#fig:vk_unique)Van Krevelen plot for uniqiue peaks

2.5 treatment effect – relative abundance

Relative abundance

(#fig:rel_abund)Relative abundance

2.6 treatment effect – NOSC

NOSC for CPCRW

(#fig:NOSC_c)NOSC for CPCRW

NOSC for DWP

(#fig:NOSC_d)NOSC for DWP

NOSC for SR

(#fig:NOSC_s)NOSC for SR

3 FTICR Pores – tables

3.1 peaks

Class CPCRW drought CPCRW field moist CPCRW saturation CPCRW time zero saturation DWP drought DWP field moist DWP saturation DWP time zero saturation SR drought SR field moist SR saturation SR time zero saturation
AminoSugar 912 27 101 95 156 78 118 1064 19 138 235 125
Carb 1220 39 186 92 305 24 120 1144 23 75 43 21
ConHC 582 408 558 967 372 396 815 529 11 55 59 210
Lignin 8749 3999 6125 7846 5015 3624 5602 5716 2268 3741 3071 3524
Lipid 813 132 713 574 586 195 447 606 471 891 999 520
Other 64 27 7 35 44 6 12 84 7 18 13 12
Protein 2831 255 1523 890 1796 606 1094 2474 814 1115 2143 1137
Tannin 993 285 452 577 289 318 619 751 13 40 33 110
total 16180 5199 9676 11117 8584 5256 8865 12435 3642 6156 6657 5728
UnsatHC 16 27 11 41 21 9 38 67 16 83 61 69
Class CPCRW drought CPCRW field moist CPCRW saturation CPCRW time zero saturation DWP drought DWP field moist DWP saturation DWP time zero saturation SR drought SR field moist SR saturation SR time zero saturation
AminoSugar 508 72 122 162 117 93 19 958 65 205 57 172
Carb 792 89 123 74 380 40 47 1219 14 96 34 37
ConHC 195 556 353 565 125 500 609 196 86 49 82 113
Lignin 4393 5504 5737 5642 3827 4852 3447 3414 2279 2722 1982 1967
Lipid 472 588 1081 707 548 465 358 555 845 817 498 608
Other 110 28 40 23 58 24 11 106 11 17 NA 18
Protein 1802 1308 2130 1957 1540 979 605 2259 1081 1802 433 1584
Tannin 385 372 256 389 61 372 165 490 33 35 31 39
total 8670 8577 9904 9588 6677 7358 5294 9257 4469 5799 3203 4611
UnsatHC 13 60 62 69 21 33 33 60 55 56 86 73

3.2 relative abundance

group CPCRW drought CPCRW field moist CPCRW saturation CPCRW time zero saturation DWP drought DWP field moist DWP saturation DWP time zero saturation SR drought SR field moist SR saturation SR time zero saturation
AminoSugar 4.35 ± 0.66 a 0.2 ± 0 b 0.53 ± 0.06 b 0.37 ± 0.02 b 1.38 ± 0.38 b 0.79 ± 0.07 b 0.61 ± 0.12 b 8.79 ± 1.49 a 0.31 ± 0.09 a 1.24 ± 0.24 a 1.66 ± 0.34 a 2.18 ± 1.37 a
Carb 10.91 ± 2.17 a 0.31 ± 0.01 b 0.9 ± 0.25 b 0.42 ± 0.05 b 4.06 ± 1.1 b 0.33 ± 0.01 b 0.86 ± 0.15 b 9.91 ± 1.31 a 0.3 ± 0.05 a 1.03 ± 0.54 a 0.38 ± 0.03 a 0.17 ± 0.02 a
ConHC 1.37 ± 0.34 b 2.58 ± 0.51 ab 2.5 ± 0.45 ab 4.14 ± 1.04 a 2.35 ± 0.33 a 3.66 ± 0.85 a 4.96 ± 1.11 a 2.47 ± 0.26 a 0.42 ± 0.19 a 0.51 ± 0.15 a 1.25 ± 0.52 a 1.44 ± 0.32 a
Lignin 56.09 ± 2.88 c 82.96 ± 1.55 a 69.89 ± 1.46 b 75.73 ± 2.43 ab 55.56 ± 2.55 ab 71.02 ± 2.08 a 58.9 ± 9.08 a 33.19 ± 3.36 b 42.7 ± 8.42 a 36.06 ± 5.64 a 28.39 ± 4.35 a 40.32 ± 11.73 a
Lipid 7.07 ± 1.09 a 5.52 ± 2.18 a 9.61 ± 1.49 a 8.66 ± 1.76 a 11.53 ± 1.44 a 9.36 ± 1.09 a 18.88 ± 10.45 a 7.74 ± 2.81 a 36.81 ± 7.51 a 43.72 ± 6.42 a 38.67 ± 7 a 33.89 ± 9.83 a
Protein 16.11 ± 1.74 a 3.97 ± 0.08 b 12.8 ± 0.71 a 7 ± 0.8 b 22.26 ± 2 a 10.7 ± 1.54 b 10.55 ± 1.35 b 30.92 ± 3.15 a 17.24 ± 4.14 a 14.49 ± 2.04 a 27 ± 3.64 a 17.71 ± 5.26 a
Tannin 3.37 ± 0.46 a 3.93 ± 0.92 a 3.14 ± 0.6 a 2.88 ± 0.43 a 1.52 ± 0.21 b 3.16 ± 0.46 ab 3.95 ± 0.93 ab 5.18 ± 0.31 a 0.25 ± 0.15 a 0.26 ± 0.07 a 0.22 ± 0.05 a 1.54 ± 1.01 a
UnsatHC 0.1 ± 0.03 a 0.36 ± 0.04 a 0.59 ± 0.44 a 0.66 ± 0.32 a 0.76 ± 0.32 a 0.87 ± 0.32 a 1.18 ± 0.53 a 1.21 ± 0.33 a 1.81 ± 0.79 a 2.55 ± 0.35 a 2.33 ± 0.46 a 2.56 ± 0.89 a
Other 0.63 ± 0.17 a 0.16 ± 0.02 b 0.04 ± 0 b 0.13 ± 0.04 b 0.58 ± 0.08 a 0.11 ± 0.02 b 0.11 ± 0.03 b 0.59 ± 0.06 a 0.16 ± 0.05 a 0.13 ± 0.03 a 0.11 ± 0.04 a 0.2 ± 0.05 a
total = 100%
group CPCRW drought CPCRW field moist CPCRW saturation CPCRW time zero saturation DWP drought DWP field moist DWP saturation DWP time zero saturation SR drought SR field moist SR saturation SR time zero saturation
AminoSugar 4.3 ± 0.52 a 0.33 ± 0.05 b 0.54 ± 0.1 b 0.82 ± 0.12 b 1.03 ± 0.16 b 0.66 ± 0.11 b 0.28 ± 0.1 b 7.76 ± 2.46 a 0.66 ± 0.23 a 1.63 ± 0.5 a 0.59 ± 0.12 a 1.84 ± 0.3 a
Carb 13.15 ± 2.28 a 0.4 ± 0.08 b 0.46 ± 0.05 b 0.36 ± 0.05 b 8.32 ± 1.22 ab 0.32 ± 0.03 b 0.8 ± 0.24 b 10.99 ± 3.48 a 0.13 ± 0.02 b 1.61 ± 0.61 a 0.79 ± 0.3 ab 0.51 ± 0.08 ab
ConHC 1.02 ± 0.23 a 2.26 ± 0.21 a 1.36 ± 0.42 a 2.55 ± 0.68 a 2.3 ± 0.29 b 3.1 ± 0.91 b 6.98 ± 1.16 a 1.66 ± 0.54 b 1.52 ± 0.45 a 0.71 ± 0.34 a 0.58 ± 0.12 a 1.29 ± 0.31 a
Lignin 47.39 ± 6.34 a 58.67 ± 9.42 a 52.55 ± 3.27 a 49.34 ± 5.81 a 43.38 ± 4.12 a 56.46 ± 1.95 a 54.11 ± 7.25 a 15.26 ± 3.77 b 30.2 ± 2.11 a 28.94 ± 10.2 a 19.26 ± 2.9 a 15.94 ± 0.84 a
Lipid 12.44 ± 5.18 a 24.17 ± 8.26 a 24.29 ± 2.66 a 24.23 ± 4.1 a 21.63 ± 3.13 a 20.84 ± 1.54 a 21.17 ± 5.37 a 29.39 ± 12.34 a 43.37 ± 1.9 a 44.84 ± 11.52 a 65.05 ± 3.58 a 43.82 ± 6.28 a
Protein 16.57 ± 1.96 a 11.57 ± 1.44 a 18.95 ± 2.03 a 19.93 ± 2.86 a 20.41 ± 2.14 b 14.44 ± 1.13 b 12.93 ± 2.3 b 30.07 ± 2.2 a 18.58 ± 1.49 ab 20.2 ± 4.83 ab 9.49 ± 0.92 b 33.15 ± 5.46 a
Tannin 2.28 ± 0.57 a 1.85 ± 0.21 a 1.04 ± 0.21 a 1.75 ± 0.27 a 0.44 ± 0.1 b 2.46 ± 0.25 ab 1.92 ± 0.51 ab 3.15 ± 1.06 a 0.22 ± 0.1 a 0.42 ± 0.11 a 0.18 ± 0.06 a 0.21 ± 0.05 a
UnsatHC 0.15 ± 0.05 b 0.65 ± 0.09 ab 0.68 ± 0.18 ab 0.96 ± 0.21 a 1.57 ± 1.11 a 1.53 ± 0.36 a 1.66 ± 0.26 a 0.97 ± 0.15 a 5.05 ± 1.66 a 1.56 ± 0.21 a 4.06 ± 0.85 a 2.9 ± 0.81 a
Other 2.71 ± 1.85 a 0.1 ± 0.03 a 0.13 ± 0.02 a 0.07 ± 0.02 a 0.9 ± 0.12 a 0.19 ± 0.04 bc 0.17 ± 0.03 c 0.75 ± 0.24 ab 0.26 ± 0.1 a 0.11 ± 0.02 a 0 ± 0 a 0.35 ± 0.15 a
total = 100%